CVE-2026-21733

HighCVSS 7.3/10Last modified Aug 12, 2026

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.

This is caused by improper handling of GPU memory reservation protections.

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-280CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Apr 17, 2026
Last modified
Aug 12, 2026
NVD status
Analyzed

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CVE-2026-21733: High severity, CVSS 7.3 | Vulnix